Warren Buffett is a money man -- in multiple ways. The legendary investor ranks among the wealthiest people in the world with a net worth of around 144billion.WhilehisBerkshireHathawayoperatesinawiderangeofsectors,it′scategorizedinthefinancialservicessectorbecauseofitshugeinsurancebusinesses.YoumightbesurprisedatjusthowimportantotherfinancialstocksaretoBuffett.Alittleover39296 billion Berkshire Hathaway portfolio is invested in 11 financial stocks. Buffe ...